JP2024083235A - 電解液添加剤、これを含むリチウム二次電池用電解液、およびリチウム二次電池 - Google Patents
電解液添加剤、これを含むリチウム二次電池用電解液、およびリチウム二次電池 Download PDFInfo
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- JP2024083235A JP2024083235A JP2023176746A JP2023176746A JP2024083235A JP 2024083235 A JP2024083235 A JP 2024083235A JP 2023176746 A JP2023176746 A JP 2023176746A JP 2023176746 A JP2023176746 A JP 2023176746A JP 2024083235 A JP2024083235 A JP 2024083235A
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- Prior art keywords
- lithium
- electrolyte
- lithium secondary
- secondary battery
- fso2
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 94
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000003792 electrolyte Substances 0.000 title claims abstract description 51
- 239000002000 Electrolyte additive Substances 0.000 title claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 49
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 33
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 32
- 239000007774 positive electrode material Substances 0.000 claims description 31
- 239000007773 negative electrode material Substances 0.000 claims description 30
- 229910003002 lithium salt Inorganic materials 0.000 claims description 26
- 159000000002 lithium salts Chemical class 0.000 claims description 26
- 229910005143 FSO2 Inorganic materials 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 125000005843 halogen group Chemical group 0.000 claims description 19
- 239000011356 non-aqueous organic solvent Substances 0.000 claims description 19
- 125000001424 substituent group Chemical group 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 13
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 12
- 125000002947 alkylene group Chemical group 0.000 claims description 12
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 11
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 9
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- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- 229910001290 LiPF6 Inorganic materials 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 125000001153 fluoro group Chemical group F* 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000000010 aprotic solvent Substances 0.000 claims description 4
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 125000004450 alkenylene group Chemical group 0.000 claims description 3
- 125000004419 alkynylene group Chemical group 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910010092 LiAlO2 Inorganic materials 0.000 claims description 2
- 229910001559 LiC4F9SO3 Inorganic materials 0.000 claims description 2
- 229910021447 LiN(CxF2x+1SO2)(CyF2y+1SO2) Inorganic materials 0.000 claims description 2
- 229910012265 LiPO2F2 Inorganic materials 0.000 claims description 2
- 239000003759 ester based solvent Substances 0.000 claims description 2
- 239000004210 ether based solvent Substances 0.000 claims description 2
- 229910001547 lithium hexafluoroantimonate(V) Inorganic materials 0.000 claims description 2
- 229910001540 lithium hexafluoroarsenate(V) Inorganic materials 0.000 claims description 2
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 2
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims description 2
- 229910001537 lithium tetrachloroaluminate Inorganic materials 0.000 claims description 2
- 229910010941 LiFSI Inorganic materials 0.000 claims 9
- 229910013188 LiBOB Inorganic materials 0.000 claims 1
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- 238000003860 storage Methods 0.000 abstract description 13
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- -1 LiPF6 Chemical class 0.000 description 25
- 239000000654 additive Substances 0.000 description 22
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 11
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
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KR1020220171782A KR20240086920A (ko) | 2022-12-09 | 2022-12-09 | 전해액 첨가제, 이를 포함하는 리튬 이차 전지용 전해액, 및 리튬 이차 전지 |
KR10-2022-0171782 | 2022-12-09 |
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JP2024083235A true JP2024083235A (ja) | 2024-06-20 |
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JP2023176746A Pending JP2024083235A (ja) | 2022-12-09 | 2023-10-12 | 電解液添加剤、これを含むリチウム二次電池用電解液、およびリチウム二次電池 |
Country Status (5)
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US (1) | US20240213475A1 (fr) |
EP (1) | EP4383392A1 (fr) |
JP (1) | JP2024083235A (fr) |
KR (1) | KR20240086920A (fr) |
CN (1) | CN118173888A (fr) |
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AR051978A1 (es) * | 2004-12-01 | 2007-02-21 | Divergence Inc | Composiciones plaguicidas y metodos |
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2023
- 2023-07-13 US US18/352,108 patent/US20240213475A1/en active Pending
- 2023-09-19 CN CN202311207918.9A patent/CN118173888A/zh active Pending
- 2023-10-05 EP EP23201858.0A patent/EP4383392A1/fr active Pending
- 2023-10-12 JP JP2023176746A patent/JP2024083235A/ja active Pending
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CN118173888A (zh) | 2024-06-11 |
KR20240086920A (ko) | 2024-06-19 |
EP4383392A1 (fr) | 2024-06-12 |
US20240213475A1 (en) | 2024-06-27 |
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